@extra-map/symmetric-difference-update.min NPM

Gives entries not present in both maps. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Alternatives: symmetricDifference, symmetricDifference$. Similar: union, intersection, difference, symmetricDifference, isDisjoint.
This is part of package extra-map.

This is browserified, minified version of @extra-map/symmetric-difference-update. It is exported as global variable map_symmetricDifference$. CDN: unpkg, jsDelivr.

map.symmetricDifference$(x, y);
// x: a map (updated)
// y: another map
// → x

const map = require("extra-map");

var x = new Map([["a", 1], ["b", 2], ["c", 3], ["d", 4]]);
var y = new Map([["c", 30], ["d", 40], ["e", 50], ["f", 60]]);
map.symmetricDifference$(x, y);
// Map(4) { "a" => 1, "b" => 2, "e" => 50, "f" => 60 }

x;
// Map(4) { "a" => 1, "b" => 2, "e" => 50, "f" => 60 }

var x = new Map([["a", 1], ["b", 2], ["c", 3], ["d", 4]]);
var y = new Map([["d", 40], ["e", 50], ["f", 60]]);
map.symmetricDifference$(x, y);
// Map(5) { "a" => 1, "b" => 2, "c" => 3, "e" => 50, "f" => 60 }